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ChemicalBook >> CAS DataBase List >> Hafnium oxide

Hafnium oxide

Hafnium oxide price.
  • $15 - $2506.76
  • Product name: Hafnium oxide
  • CAS: 12055-23-1
  • MF: HfO2
  • MW: 210.49
  • EINECS:235-013-2
  • MDL Number:MFCD00003565
  • Synonyms:HAFNIUM OXIDE, 99.99%;HafniuM(IV) oxide, 99.99%, (trace Metal basis);HafniuM(IV) oxide, (trace Metal basis);Hafnium(IV) oxide powder, 98%;Hafnium oxide/ 99.999%;HAFNIUM OXIDE, 99.8%;Hafnium(IV) oxide, 99.9% trace metals basis excluding Zr;Hafnium(IV) oxide, 99.99% trace metals basis excluding Zr
18 prices
Selected condition：
Brand
  • AK Scientific
  • American Custom Chemicals Corporation
  • Apolloscientific
  • GFS CHEMICALS
  • Oakwood
  • ProChem
  • Sigma-Aldrich
  • Strem Chemicals
Package
  • 100mg
  • 1g
  • 5G
  • 10G
  • 25gm
  • 25g
  • 50G
  • 100g
  • 100gm
  • ManufacturerAK Scientific
  • Product number8716AF
  • Product descriptionHafniumoxide
  • Packaging100mg
  • Price$70
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0000792
  • Product descriptionHafnium(IV) oxide 95.00%
  • Packaging10G
  • Price$1119.37
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0000792
  • Product descriptionHafnium(IV) oxide 95.00%
  • Packaging50G
  • Price$2506.76
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberIN1960
  • Product descriptionHafnium(IV) oxide, lump 97%
  • Packaging100g
  • Price$223
  • Updated2021-12-16
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number41671
  • Product descriptionHAFNIUMOXIDE,99.9%
  • Packaging5G
  • Price$150.19
  • Updated2021-12-16
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number41672
  • Product descriptionHAFNIUMOXIDE,99.9%
  • Packaging25g
  • Price$539.85
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number099766
  • Product descriptionHafniumoxide 98%
  • Packaging100mg
  • Price$15
  • Updated2021-12-16
  • Buy
  • ManufacturerProChem
  • Product number1960
  • Product descriptionHafnium (IV) Oxide, lump 97%
  • Packaging25gm
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerProChem
  • Product number1960
  • Product descriptionHafnium (IV) Oxide, lump 97%
  • Packaging100gm
  • Price$105
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number202118
  • Product descriptionHafnium(IV) oxide powder, 98%
  • Packaging25g
  • Price$94.52
  • Updated2025-07-31
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number769401
  • Product descriptionHafnium(IV) oxide pellets, diam. × thickness 13 mm × 5 mm
  • Packaging25g
  • Price$168
  • Updated2023-06-20
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number203394
  • Product descriptionHafnium(IV) oxide ≥99.95%
  • Packaging1g
  • Price$177.65
  • Updated2025-07-31
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number769398
  • Product descriptionHafnium(IV) oxide pellets, diam. × thickness 9 mm × 4.2 mm
  • Packaging25g
  • Price$215
  • Updated2023-01-07
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number202118
  • Product descriptionHafnium(IV) oxide powder, 98%
  • Packaging100g
  • Price$302
  • Updated2025-07-31
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-7204
  • Product descriptionHafnium(IV) oxide, 98%
  • Packaging10g
  • Price$44
  • Updated2024-03-01
  • Buy
  • ManufacturerStrem Chemicals
  • Product number72-5200
  • Product descriptionHafnium(IV) oxide (99.995%-Hf, <0.15% Zr) PURATREM
  • Packaging1g
  • Price$105
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific 8716AF Hafniumoxide 100mg $70 2021-12-16 Buy
American Custom Chemicals Corporation ING0000792 Hafnium(IV) oxide 95.00% 10G $1119.37 2021-12-16 Buy
American Custom Chemicals Corporation ING0000792 Hafnium(IV) oxide 95.00% 50G $2506.76 2021-12-16 Buy
Apolloscientific IN1960 Hafnium(IV) oxide, lump 97% 100g $223 2021-12-16 Buy
GFS CHEMICALS 41671 HAFNIUMOXIDE,99.9% 5G $150.19 2021-12-16 Buy
GFS CHEMICALS 41672 HAFNIUMOXIDE,99.9% 25g $539.85 2021-12-16 Buy
Oakwood 099766 Hafniumoxide 98% 100mg $15 2021-12-16 Buy
ProChem 1960 Hafnium (IV) Oxide, lump 97% 25gm $30 2021-12-16 Buy
ProChem 1960 Hafnium (IV) Oxide, lump 97% 100gm $105 2021-12-16 Buy
Sigma-Aldrich 202118 Hafnium(IV) oxide powder, 98% 25g $94.52 2025-07-31 Buy
Sigma-Aldrich 769401 Hafnium(IV) oxide pellets, diam. × thickness 13 mm × 5 mm 25g $168 2023-06-20 Buy
Sigma-Aldrich 203394 Hafnium(IV) oxide ≥99.95% 1g $177.65 2025-07-31 Buy
Sigma-Aldrich 769398 Hafnium(IV) oxide pellets, diam. × thickness 9 mm × 4.2 mm 25g $215 2023-01-07 Buy
Sigma-Aldrich 202118 Hafnium(IV) oxide powder, 98% 100g $302 2025-07-31 Buy
Strem Chemicals 93-7204 Hafnium(IV) oxide, 98% 10g $44 2024-03-01 Buy
Strem Chemicals 72-5200 Hafnium(IV) oxide (99.995%-Hf, <0.15% Zr) PURATREM 1g $105 2024-03-01 Buy

Properties

Melting point :2810 °C
Density :9.68 g/mL at 25 °C(lit.)
refractive index :2.13 (1700 nm)
solubility :insoluble in H2O
form :powder
color :Off-white
Specific Gravity :9.68
Water Solubility :Insoluble in water.
Crystal Structure :Monoclinic
crystal system :Monoclinic
Merck :14,4588
Space group :P21/c
Lattice constant :
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.511560.517220.529489099.18900.1383

Exposure limits :ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 InChIKey :CJNBYAVZURUTKZ-UHFFFAOYSA-N
CAS DataBase Reference :12055-23-1(CAS DataBase Reference)
EPA Substance Registry System :Hafnium oxide (HfO2) (12055-23-1)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory material in the insulation of devices such as thermocouples and as a high-κ dielectric in DRAM capacitors. It is also used in the preparation of hafnium tetrachloride.

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